Home / 2,924.74-4,037.28-1,980.07

Finding the Fourth Proportional to 2,924.74, 4,037.28 and 1,980.07

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Solution

The fourth proportional to 2,924.74, 4,037.28 and 1,980.07 is: 2,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.74 : 4,037.28 = 1,980.07 : x
  2. Step 2: Convert to fraction form
    2,924.74/4,037.28 = 1,980.07/x
  3. Step 3: Cross multiply
    2,924.74x = 4,037.28 × 1,980.07
  4. Step 4: Simplify right side
    2,924.74x = 7,994,097.01
  5. Step 5: Solve for x
    x = 7,994,097.01/2,924.74
  6. Step 6: Final answer
    x = 2,733.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.